US4982842A - Safety needle container - Google Patents

Safety needle container Download PDF

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Publication number
US4982842A
US4982842A US07/532,558 US53255890A US4982842A US 4982842 A US4982842 A US 4982842A US 53255890 A US53255890 A US 53255890A US 4982842 A US4982842 A US 4982842A
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US
United States
Prior art keywords
needle
housing
safety device
syringe
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/532,558
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English (en)
Inventor
William H. Hollister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smiths Medical ASD Inc
Original Assignee
Concord Portex
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Assigned to CONCORD/PORTEX, A CORP. OF NH reassignment CONCORD/PORTEX, A CORP. OF NH ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HOLLISTER, WILLIAM H.
Priority to US07/532,558 priority Critical patent/US4982842A/en
Application filed by Concord Portex filed Critical Concord Portex
Application granted granted Critical
Publication of US4982842A publication Critical patent/US4982842A/en
Priority to CA002042748A priority patent/CA2042748C/fr
Priority to EP91304501A priority patent/EP0460821A1/fr
Priority to IE171291A priority patent/IE68764B1/en
Priority to AU77174/91A priority patent/AU640018B2/en
Priority to IL9825091A priority patent/IL98250A/en
Priority to JP3157414A priority patent/JP2989937B2/ja
Assigned to SMITHS INDUSTRIES MEDICAL SYSTEMS, INC. reassignment SMITHS INDUSTRIES MEDICAL SYSTEMS, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: CONCORD/PORTEX
Assigned to SIMS PROTEX INC. reassignment SIMS PROTEX INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SMITHS INDUSTRIES MEDICAL SYSTEMS, INC.
Assigned to PORTEX, INC. reassignment PORTEX, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SIMS PORTEX INC.
Assigned to SMITHS MEDICAL ASD, INC. reassignment SMITHS MEDICAL ASD, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: PORTEX, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base

Definitions

  • This invention is related to hypodermic needles and more particularly to a safety device for housing a hypodermic needle such that a person will not be accidently pricked by the needle, particularly after the needle has been used and is to be disposed of.
  • 3,658,061 discloses a catheter needle guard unit that may be pivoted to snap over the needle. The sheath, once snapped, may be unsnapped since it is not locked onto the needle.
  • Smith, Jr. U.S. Pat. No. 4,643,722 discloses a hypodermic needle assembly that has a closure having an elongated slot which enables the closure to be either removed from or inserted toward the hypodermic needle. The Smith device requires two-handed operation. Furthermore, no locking means is disclosed.
  • Nelson et al. U.S. Pat. No. 4,659,330 discloses a needle protective cap which is slidable, by means of a clip, along the body of the syringe. The needle cover, however, may be completely removed from the needle.
  • Additional slidable needle protectors are disclosed in Spencer U.S. Pat. No. 4,702,738 and 4,723,943 wherein a protective sheath is shown to be slidable along a syringe body.
  • Yet other needle covers that are slidable along a syringe body are disclosed in Choksi U.S. Pat. No. 4,737,144 and Schneider U.S. Pat. No. 4,743,233.
  • Some other example devices having protective sheaths for needles include Laico et al. U.S. Pat. No. 4,804,372; Poncy U.S Pat. No. 4,816,022; Schramm U.S. Pat. No. 4,826,491; Poncy U.S. Pat. No.
  • Another type of prior art needle protective device involves the pivoting of a needle sheath to cover the cannula of the needle assembly.
  • Some prior art examples of this type of device include Norelli U.S. Pat. No. 4,820,277 wherein a pair of jaws is disclosed as pivotable and lockable over a needle. As is readily apparent, however, the Norelli cover also requires two-handed operation.
  • Glazier U.S Pat. No. 4,883,469 discloses a guard assembly that is coupled to a sheath by a fastener and is rotatable about a hinge to snap onto the needle. The sheath, along with the pivotable guard, has to be preassembled with the needle for a specific type of syringe Schoenberg U.S. Pat. No.
  • 4,888,001 discloses a longitudinal shank having two flat wings which are pivotable to enclose the sharp distal end of the needle. None of these prior art devices apparently discloses the permanent retention of the needle by the protective sheath once the protective sheath has been pivoted to enclose the needle.
  • Landis U.S Pat. No. 4,664,259 is one such which discloses a needle assembly that includes a pivotable housing having therein a hook to retain the needle within the housing after the housing has been pivoted to enclose the needle.
  • the Landis device comes in a unitary package, inasmuch as the needle is integrated into the base, which in turn has connected thereto the pivotable housing.
  • Unger U.S. Pat. No. 4,872,552 there is also disclosed a pivotable housing integrated into a needle.
  • the Unger housing has to be threaded to a specific type of needle housing hub.
  • a plug has to be pushed from the top of the housing longitudinally into the housing until the tip of the needle rests within the plug.
  • the safety device of the present invention is a stand alone adapter that has a male and female end for mating with a needle assembly and the ejection end of a syringe, respectively.
  • a housing which is pivotable to a position in alignment with the needle for enveloping the same.
  • Integrated within the housing is at least one locking means for permanently retaining the needle within the housing once the housing has been pivoted into the alignment position.
  • the portion of the adapter to be mated with the needle assembly includes a male luer that is surrounded by an internally threaded annular collar, which is used to mate with the hub of the needle assembly.
  • a shoulder member which has connected to its distal end, by way of a living hinge, the housing.
  • the housing has an elongated slot formed longitudinally along one length thereof.
  • Integral of the housing is a resilient hook member which gives way to the needle when the housing is pivoted into its alignment position, but which, once the needle is in place, would form a secure fastener for permanently retaining the needle within the housing.
  • a first embodiment of the safety device of the present invention envisions the end of the adapter that is to be mated to the male luer of the syringe as containing only a female luer, so that the male luer, i.e., the ejection end, of the syringe may be slip-fittedly mated with the adapter.
  • a second embodiment of the adapter of the present invention envisions the use of a male member within the female luer such that the volume of space through which fluid transits between the syringe and the needle is substantially reduced.
  • safety adapter is adaptable for all types of needles having different lengths, it is further envisioned that a plurality of locking means be integrated into the housing of the adapter.
  • the housing is flexibly attached to the safety adapter, by pushing against some solid object, the housing can be pivoted about and securely retain the contaminated needle.
  • the safety adapter of the present invention requires only single-handed operation.
  • FIG. 1A is a side view of a first embodiment of the present invention safety adapter
  • FIG. 1B is a plan view of the FIG. 1A embodiment
  • FIG. 1C is a cross-sectional view of section A--A noted in FIG. 1B;
  • FIG. 2A is a semi-cross sectional view of another embodiment of the safety adapter of the present invention.
  • FIG. 2B is a plan view of the FIG. 2 embodiment
  • FIG. 2C is a cross-sectional view shown along cut A--A in FIG. 2B;
  • FIG. 3 is an overall view of the safety adapter of the present invention being used with a luer slip type syringe
  • FIG. 4 is an overall view of the safety adapter of the present invention being used with a luer lock type syringe.
  • a safety needle adapter having a base 2 with a first section 2a and a second section 2b. Both sections 2a and 2b are integral of one piece molded base 2.
  • Section 2a includes a central protrusion 4, conventionally known as a male luer.
  • an annular collar 6 Surrounding protrusion 4 is an annular collar 6, extending from approximately the midsection of base 2. Collar 6, although not shown as such in FIG. 1A, in practice, is internally threaded, as shown in FIG. 2A. Extending from a portion of collar 6 is a substantially rigid shoulder member 8. Connected to the distal end 10 of shoulder member 8, by way of a living hinge 12, is a housing 14.
  • Section 2b extends approximately from the midsection of base 2 away from collar 6, as a hub or extension 16.
  • a circumferential extension 18 extending orthogonally to the longitudinal length of base 2, for mating with the internal threads of a syringe.
  • 18 may actually be comprised of a plurality of singular extensions.
  • opening 20 is formed at the base of hub 16 an opening 20 which extends in a decreasingly tapered fashion along dotted lines 22a and 22b to the top of protrusion 4 to meet with an opening 24.
  • hub 16 may also be considered as the female luer portion of the adapter of the present invention.
  • housing 14 By connecting housing 14 via living hinge 12 to shoulder member 8, housing 14 is pivotable about distal end 10 of shoulder member 8, such that it comes into an alignment position about the longitudinal axis of the cannula (which also happens to be the longitudinal axis of base 2) of a needle assembly, as shown and to be discussed in FIGS. 3 and 4.
  • FIG. 1B There is shown in greater detail in FIG. 1B an elongated slot 26 running from base 28 of housing 14 to tip 30 thereof.
  • Tip 30 for this embodiment is solid, but may be hollow for other embodiments.
  • the length of housing 14 is such that it may be used for the longest or shortest, as well as any length in between, needle available in the market.
  • each of the retaining mechanisms 40 and 42 has a substantially rigid finger 40a extending in a downward slope fashion from the apex of extension 40b, molded to base 38.
  • finger 40a may be biased by the cannula of a needle assembly toward extension 40b until the cannula is past tip 40t thereof, at which time finger 40a flexes back into the position shown in FIG. 1C, thereby permanently retaining the cannula within the spaced defined between finger 40a and extension 40b to prevent the cannula from moving relative to housing 14.
  • Retainer mechanism 42 is the same as retainer mechanism 40 except, as shown in FIG. 1B, its finger portion 42b slopes downward toward side 36b of housing 14. In contrast, finger 40a of retaining mechanism 40 is shown to be sloping downward toward side 36a in the housing.
  • a plurality of ribs 38 is provided along the length of housing 14.
  • a number of buttress ribs 40 slanting upward from hub 16 to base 6b of annular collar 6 is used. These buttress ribs provide rigidity and strength to base 2 such that the latter would not crack even if it were subjected to undue bending moment at base 6b.
  • FIGS. 2a, 2b and 2c A second embodiment of the safety adapter of the present invention is illustrated in FIGS. 2a, 2b and 2c.
  • components which are the same as the components shown in FIGS. 1a, 1b and 1c, or perform essentially the same functions, are labeled the same.
  • the FIG. 2 embodiment also has a base 2 connected, by way a shoulder member 8 and a living flexible hinge 12, to a housing 14.
  • This embodiment is directed to substantially reducing the volume of space through which a fluid--be it blood or medicament--transits between the syringe and the needle, as for example when blood is being drawn from a patient to the syringe or when a medicament in the syringe is being intravenously fed to the patient via the needle.
  • FIG. 2A has incorporated into base 2, particularly at section 2b, a conical extension (i.e., a snout or male luer) 50 extending from approximately base 6b to beyond the plane of hole 20 at the base of the adapter. Furthermore, instead of having a through bore such as 23 shown in FIG. 1 extending from top hole 24 to bottom hole 20 and confined by sidewalls 22a and 22b and therefore having a substantial amount of dead space, the FIG. 2A embodiment now has a through bore 52 running continuously from top 4t of male luer 4 at opening 54 to the distal end of conical extension 50, at opening 56.
  • a conical extension i.e., a snout or male luer
  • the diameter of through bore 52 is to be manufactured to substantially correspond to the typical bore of a typical needle (cannula) of a needle assembly so that fluid transiting between openings 54 and 56 would flow directly into the bore of the cannula, without having to fill up unnecessary dead space such as shown in FIG. 1A.
  • conical extension 50 acting effectively as a male extension within female luer 16 at section 2b of base 2
  • the length of conical extension 50 in section 2b, and the length of male luer 4 in section 2a may be longer or shorter than the respective lengths illustrated in FIG. 2B.
  • the length of shoulder member 8 may be lengthened or shortened, so long as it enables housing 14, when pivoted to align along and about the longitudinal axis of the cannula, to be cleared of the hub of the needle assembly to which the cannula is attached.
  • either embodiment of the safety adapter of the instant invention may be mated to a luer slip syringe 60, shown in FIG. 3, that has as its ejection end a male luer 62.
  • a luer slip syringe 60 shown in FIG. 3, that has as its ejection end a male luer 62.
  • Needle assembly 64 in the meanwhile, is threaded, by means of its hub 66, into annular collar 6.
  • the female luer portion of hub 66 of needle assembly 64 is therefore mated to male luer 4 of base 2, best shown in FIG. 1A.
  • Cannula 68 of needle assembly 64 after use, can be prevented from being exposed and accidentally pricking a person by pivoting housing 14, via living hinge 12 following directional arrow 70, to envelope cannula 68.
  • housing 14 when housing 14 is pivoted to align along the longitudinal axis of cannula 68, retaining mechanisms 40 and 42 (see FIGS. 1a and 1b), upon closing of housing 14 onto cannula 68, will securely retain cannula 68 housing 14 so that there is no relative movement between housing 14 and cannula 68.
  • retaining mechanisms 40 and 42 upon closing of housing 14 onto cannula 68, will securely retain cannula 68 housing 14 so that there is no relative movement between housing 14 and cannula 68.
  • the length of cannula 68 varies, the fact that there is a plurality of retaining mechanisms integral of housing 14 ensures that the cannula would be retained therein.
  • only one retaining mechanism in place of a plurality of retaining mechanisms, only one retaining mechanism, appropriately positioned somewhere along the length of housing 14, may be used.
  • the relative positioning of the retaining mechanisms along housing 14 is determined, of course, to a great extent, by the envisioned length of the to be used cann
  • FIG. 4 there is shown a luer lock type syringe 72 which has an internally threaded collar 76 surrounding its male luer 74.
  • the mating of hub 66 of needle assembly 64 to section 2a of base 2 is as was discussed with reference to FIG. 3 and therefore will not be further discussed herein.
  • Male luer 74 of course will remain slip-fittedly mated with section 2b, if the safety adapter shown in FIG. 1A is used.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
US07/532,558 1990-06-04 1990-06-04 Safety needle container Expired - Lifetime US4982842A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US07/532,558 US4982842A (en) 1990-06-04 1990-06-04 Safety needle container
CA002042748A CA2042748C (fr) 1990-06-04 1991-05-16 Dispositif de securite pour le rangement des aiguilles
EP91304501A EP0460821A1 (fr) 1990-06-04 1991-05-20 Récipient pour aiguilles de sécurité
IE171291A IE68764B1 (en) 1990-06-04 1991-05-20 Safety needle container
AU77174/91A AU640018B2 (en) 1990-06-04 1991-05-22 Safety needle containers
IL9825091A IL98250A (en) 1990-06-04 1991-05-23 Needle safety container
JP3157414A JP2989937B2 (ja) 1990-06-04 1991-06-03 針と共に使用する安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/532,558 US4982842A (en) 1990-06-04 1990-06-04 Safety needle container

Publications (1)

Publication Number Publication Date
US4982842A true US4982842A (en) 1991-01-08

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Application Number Title Priority Date Filing Date
US07/532,558 Expired - Lifetime US4982842A (en) 1990-06-04 1990-06-04 Safety needle container

Country Status (7)

Country Link
US (1) US4982842A (fr)
EP (1) EP0460821A1 (fr)
JP (1) JP2989937B2 (fr)
AU (1) AU640018B2 (fr)
CA (1) CA2042748C (fr)
IE (1) IE68764B1 (fr)
IL (1) IL98250A (fr)

Cited By (187)

* Cited by examiner, † Cited by third party
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US5154285A (en) * 1990-08-01 1992-10-13 Smiths Industries Medical Systems, Inc. Needle assembly holder with rotatable safety sheath member
WO1992018184A1 (fr) * 1991-04-15 1992-10-29 Mcneil Michael B Capuchon d'aiguille
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US5232454A (en) * 1990-08-01 1993-08-03 Smiths Industries Medical Systems, Inc. Safety needle container
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AU7717491A (en) 1991-12-05
IE911712A1 (en) 1991-12-04
IE68764B1 (en) 1996-07-10
EP0460821A1 (fr) 1991-12-11
JP2989937B2 (ja) 1999-12-13
IL98250A0 (en) 1992-06-21
AU640018B2 (en) 1993-08-12
CA2042748C (fr) 2002-12-17
JPH06315532A (ja) 1994-11-15
CA2042748A1 (fr) 1991-12-05
IL98250A (en) 1995-01-24

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